摘要
电转气(power to gas,P2G)技术可实现电能以天然气的方式大规模存储,使电力系统与天然气系统间具备能量流动的能力,加深了电力系统和天然气系统的耦合程度。天然气-电力耦合系统的优化运行是优化资源配置、提高能源调度利用效率的基础,对提升系统综合效益具有重要意义。针对P2G技术的运行层面,首先介绍了P2G技术的特点,进而综述了基于P2G耦合的天然气-电力耦合系统建模方法以及不同场景下的运行优化模型及求解方法。最后在分析P2G技术的国内外应用现状的基础上,从不同应用场景总结了P2G技术应用的发展瓶颈及解决思路,并对P2G技术未来的研究方向进行展望。
Power-to-gas(P2G)technology can realize large-scale storage of electric energy in the form of natural gas,building closed-loop energy flow between power system and natural gas system,and promoting coupling of these two systems.Optimal operation of natural gas-electricity coupling system is the basis for optimizing resource allocation and improving utilization efficiency of energy dispatching.It is of great significance for improving comprehensive benefits of the system.Firstly,this paper presents the characteristics of P2G technology,and then summarizes the modeling method of natural gas-power coupling system based on P2G coupling operation optimization model and solving method for different scenarios.Finally,the application status of P2G technology in China and abroad is summarized.The development bottlenecks and solutions of P2G technology in different application scenarios and the future research direction of P2G technology is prospected.
作者
窦迅
赵文浩
郎伊紫禾
李扬
高赐威
Dou Xun;Zhao Wenhao;Lang Yizihe;Li Yang;Gao Ciwei(College of Electrical Engineering and Control Science,Nanjing TECH University,Nanjing 211816,Jiangsu Province,China;School of Electrical Engineering,Southeast University,Nanjing 210096,Jiangsu Province,China)
出处
《电网技术》
EI
CSCD
北大核心
2019年第1期165-173,共9页
Power System Technology
基金
江苏省“六大人才高峰”项目(2015-ZNDW-005)
国网科技项目(DZ71-17-019)~~
关键词
电转气
耦合程度
运行优化
power to gas
coupling system
optimal dispatch
